"David Fontaine" <dav### [at] faricynet> wrote :
>
> It's just an intersection of twelve planes in the form Ax+By+Cz. With a
> dodecahedron I believe it is possible to orient it in such a way that
> each plane only requires two of these components.


    http://www.shianet.org/~reneenew/calc.html  might tell you why the
phrase "it's just" made me chuckle...

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